US11988106B2 - Heat-protection element for a bearing chamber of a gas turbine - Google Patents

Heat-protection element for a bearing chamber of a gas turbine Download PDF

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Publication number
US11988106B2
US11988106B2 US17/943,355 US202217943355A US11988106B2 US 11988106 B2 US11988106 B2 US 11988106B2 US 202217943355 A US202217943355 A US 202217943355A US 11988106 B2 US11988106 B2 US 11988106B2
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United States
Prior art keywords
heat
gas turbine
protection element
bearing chamber
axially
Prior art date
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Active, expires
Application number
US17/943,355
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English (en)
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US20230184134A1 (en
Inventor
Florian Neuberger
Kaspar Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MTU Aero Engines AG
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MTU Aero Engines AG
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Assigned to MTU Aero Engines AG reassignment MTU Aero Engines AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Neuberger, Florian, WOLF, KASPAR
Publication of US20230184134A1 publication Critical patent/US20230184134A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • F01D25/125—Cooling of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/14—Casings modified therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/14—Casings modified therefor
    • F01D25/145—Thermally insulated casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • F01D5/087—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor in the radial passages of the rotor disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/15—Heat shield
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/231—Preventing heat transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
US17/943,355 2021-09-21 2022-09-13 Heat-protection element for a bearing chamber of a gas turbine Active 2042-09-26 US11988106B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021124357.2A DE102021124357A1 (de) 2021-09-21 2021-09-21 Hitzeschutzelement für eine Lagerkammer einer Gasturbine
DE102021124357.2 2021-09-21

Publications (2)

Publication Number Publication Date
US20230184134A1 US20230184134A1 (en) 2023-06-15
US11988106B2 true US11988106B2 (en) 2024-05-21

Family

ID=83319323

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/943,355 Active 2042-09-26 US11988106B2 (en) 2021-09-21 2022-09-13 Heat-protection element for a bearing chamber of a gas turbine

Country Status (3)

Country Link
US (1) US11988106B2 (fr)
EP (1) EP4151836A3 (fr)
DE (1) DE102021124357A1 (fr)

Citations (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347553A (en) * 1966-05-23 1967-10-17 Gen Electric Fluid seal
US3862443A (en) * 1973-11-15 1975-01-21 Reliance Electric Co Cooling means for bearing structure in dynamoelectric machine
US4542623A (en) * 1983-12-23 1985-09-24 United Technologies Corporation Air cooler for providing buffer air to a bearing compartment
US4709545A (en) * 1983-05-31 1987-12-01 United Technologies Corporation Bearing compartment protection system
US5433584A (en) * 1994-05-05 1995-07-18 Pratt & Whitney Canada, Inc. Bearing support housing
US5622438A (en) * 1995-07-12 1997-04-22 United Technologies Corporation Fire resistant bearing compartment cover
US5890881A (en) * 1996-11-27 1999-04-06 Alliedsignal Inc. Pressure balanced turbocharger rotating seal
US20020192016A1 (en) * 2000-10-19 2002-12-19 Andreas Monninghoff Ball joint
US20090101087A1 (en) * 2006-03-28 2009-04-23 Jtekt Corporation Supercharger
US8834095B2 (en) * 2011-06-24 2014-09-16 United Technologies Corporation Integral bearing support and centering spring assembly for a gas turbine engine
US20150252689A1 (en) * 2011-09-22 2015-09-10 Ihi Charing Systems International Gmbh Heat shield for an exhaust gas turbocharger and arrangement of a heat shield between two housing parts of an exhaust gas turbocharger
US20160032780A1 (en) 2013-03-14 2016-02-04 United Technologies Corporation Triple Flange Arrangement for a Gas Turbine Engine
US20160032763A1 (en) * 2013-03-14 2016-02-04 United Technologies Corporation Heatshield discourager seal for a gas turbine engine
US20160032768A1 (en) * 2013-04-12 2016-02-04 Borgwarner Inc. Exhaust-gas turbocharger
US20160130975A1 (en) * 2014-11-07 2016-05-12 Rolls-Royce Plc Collapsible support structure for a gas turbine engine
EP3054089A1 (fr) 2015-02-05 2016-08-10 Siemens Aktiengesellschaft Rotor creux d'une turbomachine avec bouclier thermique
US20160238137A1 (en) * 2013-12-20 2016-08-18 United Technologies Corporation Seal runner
US9447817B2 (en) * 2014-12-09 2016-09-20 Rolls-Royce Plc Bearing structure
US9605551B2 (en) 2012-10-12 2017-03-28 MTU Aero Engines AG Axial seal in a casing structure for a fluid flow machine
US9677419B2 (en) 2010-04-27 2017-06-13 Borgwarner Inc. Exhaust-gas turbocharger
US20170298761A1 (en) * 2016-04-18 2017-10-19 Borgwarner Inc. Heat shield
US9840938B1 (en) * 2016-12-07 2017-12-12 Pratt & Whitney Canada Corp. Housing for bearing cavity in a gas turbine engine
US20180031002A1 (en) 2016-08-01 2018-02-01 United Technologies Corporation Annular heatshield
US20190136712A1 (en) * 2017-11-03 2019-05-09 Borgwarner Inc. Multilayer Encapsulated Heat Shield for a Turbocharger
US20190249569A1 (en) 2018-02-09 2019-08-15 MTU Aero Engines AG Bearing chamber housing for a turbomachine
US10415481B2 (en) 2013-03-11 2019-09-17 United Technologies Corporation Heat shield mount configuration
US20210054756A1 (en) * 2019-08-19 2021-02-25 United Technologies Corporation Heatshield with damper member
US11105222B1 (en) 2020-02-28 2021-08-31 Pratt & Whitney Canada Corp. Integrated thermal protection for an exhaust case assembly
US20220049623A1 (en) * 2020-08-14 2022-02-17 Raytheon Technologies Corporation Seal runner with passive heat transfer augmentation features
US20220252013A1 (en) * 2021-02-05 2022-08-11 Raytheon Technologies Corporation Hybrid Seal Dual Runner

Patent Citations (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347553A (en) * 1966-05-23 1967-10-17 Gen Electric Fluid seal
US3862443A (en) * 1973-11-15 1975-01-21 Reliance Electric Co Cooling means for bearing structure in dynamoelectric machine
US4709545A (en) * 1983-05-31 1987-12-01 United Technologies Corporation Bearing compartment protection system
US4542623A (en) * 1983-12-23 1985-09-24 United Technologies Corporation Air cooler for providing buffer air to a bearing compartment
US5433584A (en) * 1994-05-05 1995-07-18 Pratt & Whitney Canada, Inc. Bearing support housing
US5622438A (en) * 1995-07-12 1997-04-22 United Technologies Corporation Fire resistant bearing compartment cover
US5890881A (en) * 1996-11-27 1999-04-06 Alliedsignal Inc. Pressure balanced turbocharger rotating seal
US20020192016A1 (en) * 2000-10-19 2002-12-19 Andreas Monninghoff Ball joint
US20090101087A1 (en) * 2006-03-28 2009-04-23 Jtekt Corporation Supercharger
US9677419B2 (en) 2010-04-27 2017-06-13 Borgwarner Inc. Exhaust-gas turbocharger
US8834095B2 (en) * 2011-06-24 2014-09-16 United Technologies Corporation Integral bearing support and centering spring assembly for a gas turbine engine
US20150252689A1 (en) * 2011-09-22 2015-09-10 Ihi Charing Systems International Gmbh Heat shield for an exhaust gas turbocharger and arrangement of a heat shield between two housing parts of an exhaust gas turbocharger
US9605551B2 (en) 2012-10-12 2017-03-28 MTU Aero Engines AG Axial seal in a casing structure for a fluid flow machine
US10415481B2 (en) 2013-03-11 2019-09-17 United Technologies Corporation Heat shield mount configuration
US20160032780A1 (en) 2013-03-14 2016-02-04 United Technologies Corporation Triple Flange Arrangement for a Gas Turbine Engine
US20160032763A1 (en) * 2013-03-14 2016-02-04 United Technologies Corporation Heatshield discourager seal for a gas turbine engine
US20160032768A1 (en) * 2013-04-12 2016-02-04 Borgwarner Inc. Exhaust-gas turbocharger
US20160238137A1 (en) * 2013-12-20 2016-08-18 United Technologies Corporation Seal runner
US20160130975A1 (en) * 2014-11-07 2016-05-12 Rolls-Royce Plc Collapsible support structure for a gas turbine engine
US9447817B2 (en) * 2014-12-09 2016-09-20 Rolls-Royce Plc Bearing structure
EP3054089A1 (fr) 2015-02-05 2016-08-10 Siemens Aktiengesellschaft Rotor creux d'une turbomachine avec bouclier thermique
US20170298761A1 (en) * 2016-04-18 2017-10-19 Borgwarner Inc. Heat shield
US20180031002A1 (en) 2016-08-01 2018-02-01 United Technologies Corporation Annular heatshield
US9840938B1 (en) * 2016-12-07 2017-12-12 Pratt & Whitney Canada Corp. Housing for bearing cavity in a gas turbine engine
US20190136712A1 (en) * 2017-11-03 2019-05-09 Borgwarner Inc. Multilayer Encapsulated Heat Shield for a Turbocharger
US20190249569A1 (en) 2018-02-09 2019-08-15 MTU Aero Engines AG Bearing chamber housing for a turbomachine
US10982562B2 (en) * 2018-02-09 2021-04-20 MTU Aero Engines AG Bearing chamber housing for a turbomachine
US20210054756A1 (en) * 2019-08-19 2021-02-25 United Technologies Corporation Heatshield with damper member
US11105222B1 (en) 2020-02-28 2021-08-31 Pratt & Whitney Canada Corp. Integrated thermal protection for an exhaust case assembly
US20220049623A1 (en) * 2020-08-14 2022-02-17 Raytheon Technologies Corporation Seal runner with passive heat transfer augmentation features
US20220252013A1 (en) * 2021-02-05 2022-08-11 Raytheon Technologies Corporation Hybrid Seal Dual Runner

Also Published As

Publication number Publication date
EP4151836A3 (fr) 2023-04-05
US20230184134A1 (en) 2023-06-15
DE102021124357A1 (de) 2023-03-23
EP4151836A2 (fr) 2023-03-22

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